The number 55995
55995 is a composite number with 8 divisors. Its prime factorisation is 3 × 5 × 3733. Divisors (8): 1, 3, 5, 15, 3733, 11199, 18665, 55995.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55995 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55995 is composite. Its prime factorisation is
- 3
The divisors add up to 89616; without 55995 itself that is 33621, so 55995 is deficient (33621 is less than 55995). Euler's totient φ(55995) = 29856 numbers up to 55995 share no factor with it.
- 4
The digits of 55995 add up to 33, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 91 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55995 = 3 \times 5 \times 3733 \]
55995 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 89616 |
| Euler totient φ(n) | 29856 |
| Square | 3135440025 |
| Cube | 175568964199875 |
| Square root | 236.632627 |
| Digit sum / digital root | 33 / 6 |
| Collatz steps to 1 | 91 |
| Scientific notation | 5.5995 × |
55995 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand nine hundred and ninety-five |
| Binary (base 2) | 1101101010111011 |
| Octal (base 8) | 155273 |
| Hexadecimal (base 16) | DABB |
| Base 3 | 2211210220 |
| As time | 55995 seconds = 15 h 33 min 15 s |
Is 55995 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (55995 ÷ 3 = 18665) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (55995 ÷ 5 = 11199) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55995 a prime number?
No. 55995 = 3 × 5 × 3733, so it is divisible by 3.
What are the factors of 55995?
1, 3, 5, 15, 3733, 11199, 18665, 55995.
What is 55995 in binary?
1101101010111011 (hexadecimal DABB, octal 155273).
What is the square root of 55995?
About 236.6326.
Is 55995 divisible by 3?
Yes. Its digits add up to 33, a multiple of 3.
What is special about the number 55995?
It is a composite number with 8 divisors.